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    • daveron
      By daveron
      I have an issue with my old tank, which is around 3 years right now and the issue is NO3.
      Currently I am forced to do 25-30% water changes twice a week, and this is just enough to keep the NO3 below 10 (which is still way to high!). I have no idea what is causing the NO3 to raise so quickly as there is just around 50 shrimp and nothing more.
      The tank is 30L (8 gal), inert substrate, heavily planted, I add no fertilizers.
      Plants are duckweed, anubias, cryptocoryne, and eleocharis parvula carpet.
      Two HOB filters - one is sponge, the other one is small sponge + peat + JBL nitratex + seachem matrix (I added two weeks ago, as this thing is supposed to bring down nitrates, but so far no results).
      For water changes I use salty shrimp GH +, Azoo Triple Black Water, Azoo Mineral Plus(every second week) and Azoo Ph Down, to adjust the pH of the water that goes into the tank with what's already there.
      As for bacteria I add seachem pristine, and seachem stability once a week around 2ml of each.
      Feeding is once per 2-3 days, small amounts that gets eaten in a few hours.
      So I had that issue already around 5 months back and what I did is bought the JBL bionitratex and added duckweed, and it did solved the problem but to get a good result I had to use two bags of the JBL product for a single tank (the product comes with 4 bags total). Now this thing is quiet expensive imo for the time it lasts, so I would like to ask for any other options to keep the NO3 in check, as the plants are clearly not able to handle that.
      From my observations - there is a substantial amount of muck in the substrate, but since the tank is heavily planted I cannot vacuum it.
      If needed I can provide some pictures of the tank.
      Your help greatly appreciated !
    • revolutionhope
      By revolutionhope
      Hey SKF,
      I've recently started adding 2ppm of nitrates to my weekly/fortnightly waterchanges as my tank constantly had zero nitrates and my plants were looking hungry. The product I use is cal aqua labs green.
      I'd like to know what people's experiences or opinions are on whether small amounts of fertiliser can be added to shrimp tanks WITHOUT dripping it in slowly (as in a typical waterchange which is what I'm currently doing)
      In other words; if I directly dose the 1 or 2 ppm worth of nitrates to my aquarium without slowly dripping it into the tank would it have any negative impact on the health and/or breeding of crystal or tiger shrimps?
      love n peace
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    • jayc
      The Brita filters "reduce" but doesn't completely remove chlorine, and other minerals.  Its okay for drinking but still lacking for aquariums.  multi stage cartridge undersink filters are also designed for human consumption, and one of the stages is to add alkalinity back into the water, since drinking water below pH 7.0 will be bad for your teeth. You want to look for an RO filter that gives you the option of turning on/off this alkalinity stage if you want a system that is both for an aquarium and for human consumption. Check out Filters System Australia https://www.filtersystemsaustralia.com.au/reverse-osmosis-water-filter/aquarium-systems.html. Ring them and talk to them if you can't find exactly what you want. They are very helpful.
    • andrew.huang083
      Hey guys, ive being think about this for a while, but BICON makes it seem so difficult and confusing to import freshwater plants from other countries into Australia. Has anyone done this before and know all the nooks and crannies? Im also not too sure about import permit costs, and the inspections and how they work. Could anyone show me a simple step by step guide to importing aquatic plants? thanks 
    • sdlTBfanUK
      I tried Brita JUG (and still  have it) but it didn't work for the shrimp (It did reduce TDS but not much), though I was keeping Caridina shrimp. I would say don't bother wasting tme with other makes as you don't really know what they remove so just get the zerowater and you know it produces RO equivalent water and removes probably ALL things bad for shrimps. It is meant for human consumption but I am not convinced such pure water is ideal for humans except for hydration during excercise maybe?? As you plan to keep cherry shrimp you could try it but I would try just a few shrimp in a bowl for a few days to a week first. If the brita doesn't filter out something like copper (? just an example) or other toxic to shrimp things then you don't want to have contaminated the soil/tank etc. It may even be a better idea to get both, the brita for personal use and the zerowater just for the tank, https://www.amazon.com.au/ZeroWater-10-Cup-Pitcher-Filtration-System/dp/B0073PZ6O0 I just found this when I did a search for 'zerowater australia' that will show you the difference, just look at the 'which water filter is best?' page: https://www.yourbestdigs.com/reviews/zerowater-vs-brita/#which-is-best  Simon
    • Subtlefly
      So you can do it just through fine filtration? How would zero water co compare to something like this or even multi stage cartridge undersink filter you think? https://www.bunnings.com.au/brita-filtered-water-tap_p5090423 I am trying to figure out what is best for human drinking as well as fishtank but maybe this is two different things? thanks for your wisdom, have a great day sub  
    • sdlTBfanUK
      I use tap water through this jug and it produces the same as RO water, TDS 000 hence the name They are readily obtainable around the world (amazon, ebay and some countries UK/USA in shops) and cheap enough. They are slow to filter though so probably not practical for a very large tank. You could start with one though and if everything  goes to plan with the tank then get a full RO down the line. Each filter does about 100L of MY water. https://zerowater.co.uk/?variant=48184661572 You will need to re-mieralise the water with GH/KH+ as you would with RO water! Simon
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